3-phase control relay, Harmony Control Relays, 8A, 2CO, undervoltage detection, 200...240V AC
RM22TU21
Provides automatic shutdown management and fault information
Experience unprecedented accuracy, predictive maintenance, and superior security.
For refurbishment of old installations without using a PLC
Positive logic output to protect the system at power lose
True RMS value measurement (even on deformed sinus waves)
Environmental Data
Environmental Data
Total lifecycle Carbon footprint
71 kg CO2 eq.
Use Better
Packaging made with recycled cardboard
Recycled cardboard content is minimum 70% (50% in US). Some orders may include non-recycled cardboard until stock runs out.
Yes
Use Longer
Repair
Repair services are offered by Schneider Electric.
No
Use Again
Recyclability potential, in %
The calculation of the recyclability potential relies on the scenario "France - parts are shredded" of TR62635 considering all parts in the product and materials recyclability. We recognized that this may not always allow comparison with other competitor offers on the market and are waiting for a common standard to be published end of 2026.
17
Take-back
Whether the product has been included in a global take-back program. Some products are eligible in some geographies, please verify if it's available in your country.
Yes
Unlock smarter protection with NFC
Upgrade to NFC‑enabled relays for quicker configuration, precise adjustments, and faster commissioning. Enjoy smarter protection, improved efficiency, and simplified maintenance with just a tap from your smartphone.
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